With respect to myths #1 (exercise) and #2 (long term sustainability), I am 60 and now thru-hiking the Appalachian Trail carnivore and OMAD (no snacks) from Georgia to Maine (2,200 trail miles). I hike in a fasted state and eat after I am done hiking for the day. I hike about 8 to 10 hours a day, covering about 12 to 15 miles wearing a 30 lb pack over steep mountainous terrain. For me, carnivore and OMAD is highly sustainable while long distance thru-hiking, as it is in my daily life. I never feel metabolically fatigued or bonk while hiking. Always feel good at the end of the day with plenty of gas left in the tank. Also, no NSAIDs, joint problems, or soreness. Always feel good in the morning and eager to start the day. I did a 4 month 1,000 mile proof of concept section hike last year, at which time I lost 14 pounds in the first 2 weeks as I was adapting to trail life and getting my trail legs, then lost only 1 more pound over the next 3.5 months. So far this year, I have been on-trail for 6 weeks and have lost only 4 pounds. No "hiker hunger", no "post-hike depression", no post-trail weight gain, no post-trail anything (other than feeling good). Most long distance thru-hikers follow the "recommended" thru-hiker diet consisting of 4,000 to 6,000 calories per day of 75% carbs, 15% protein, 15% fat (75-15-15) and tend to experience "hiker hunger", binge eating while in town, and progressive weight loss while on-trail. This is followed by post-trail depression, continued hunger, and significant weight gain after they go off-trail. Most long distance thru-hikers are sold on and indocrinated into the myth that you need a massive amount of carbs to keep your energy level up and perform. Typical thru-hikers continually snack on candy and high carb, highly processed junk food (e.g., honey buns) from morning to night. Meals are also a massive carbfest (pasta, rice, beans, tortillas, etc.). For purposes of personal interest and N=1 thru-hiking science, I am wearing a CGM to monitor blood sugar, a "Charge 6" model Fitbit monitor, and also brought my KetoMojo meter for finger stick monitoring of glucose and ketones levels. Resting heart rate is in the high 40s. Diet on trail consists of pemmican, salami, powdered eggs, and cheese. Last year, I had comprehensive blood work done after 3 months on-trail thru "Own Your Labs" and LabCorp. NMR lipid profile and Insulin Resistance score parameters were mostly all off-scale pegged to the green (low risk). Fasting insulin level was 1.2. For those interested in cancer, KetoMojo glucose/ketone index (GKI) cancer score developed by Dr Thomas Seyfried, PhD is fanstastic. GKI is typically, less than 2.0, sometimes less than 1.0. Lowest score was 0.7.
Thank you for sharing your diet and hiking journey and this makes sense for our life carb community reading through this. Curious what your heart rate range is while you're hiking. I would guess zones 1 and 2 depending on your pace and topology of the terrain.
Wow, pemmican - without the dried fruit I assume. I’ve been toying with the idea of hiking again being a carnivore and there are some keto freeze dried meals out there but definitely need to steer clear of the spinach and other depression causers like nuts too. Powdered eggs, cheese, homemade jerky is what I came up with. Canned “meat” if I can deal with the weight. The beef and salt pemmican would bring in the fat to make ketones. Maybe some MCT Oil also. Crazy I’m even thinking of hiking. Sadly I’d given up on that due to feeling old. Not anymore!
I am 65 and recently switched to a low carb diet to deal with high blood sugar and insulin resistance. I feel so much better in just a few weeks. I love your podcasts because they are so informative. I also love your enthusiasm. Knowledge is power. Keep up the good work.
I'm also 65 and in December I went Full carnivore and in 3 weeks I lost 22 lbs so I switched to a Keto and I lost a total of 37lbs and I am now at the weight I was when I was in the Military! I'm off all my blood pressure meds and feel great also.
That's great. I'm now 66 and have been low carb for 2.5 years. I was surprised at how quickly I started to feel improvements when I changed to low carb to remit my diabetes (which I did within 3 months). The first thing that I noticed after only about 1 week was that I was getting a better quality sleep. Even though I sometimes have difficulties sleeping due to back and knee issues which can disturb my sleep, I found that I wasn't as tired the next day. After about 3 months I had to reduce my BP drug by half, then later I had to do that again, and these days I am off completely. I am now back to my ideal weight which I haven't been since mid 1980s before children, without even trying. And amazingly my hair is not as grey as it was; when I started noticing this I had had no idea that this was possible but I have since found others online who have had the same thing happen. I wish you all the best.
I don't spend hours grocery shopping anymore. Half an hour when I am just being lazy adhd staring at the colors wandering the isles otherwise ten minutes to get my food for the week. Shop outter perimeters of the grocery store the middle for coffee!
Yeah exactly, compressed the grocery store to the meat section, the dairy aisle, and the coffee aisle. Well, sometimes the candy aisle when dark chocolate is on sale.
I know a guy who races bikes, and when he went keto, he found that not only did he have more stamina and strength, but he wasn't shaking and collapsing after a long race.
Great video! I don’t understand why people think Keto is unsustainable. I don’t check my metabolic state daily but it is easy to stay 20 grams carb a day. honestly, it’s more about feeling better for me ….and getting amazing metabolic panel results when I have bloodwork. Anything is sustainable if you see the benefits in your life.
Yes, it's the benefits that keep me motivated to stick with it. My pharmacist told me that he is trying to be low carb but said he is eating pasta some other foods. I asked him how he felt after he eats the carbs and he said he feels horrible. I'm hoping that makes him think more about cutting out those foods.
I’ve been low carb/KETO for 6 years finally going OMAD carnivore in January this year at 58 years young, I had my thyroid panel drawn in March and my testosterone was 711! But my TSH was a .5 ie hyperthyroidism (supposedly ) but I feel great I got tons of energy with none of the other accompanying symptoms so my endocrinologist just said let’s just watch it. A lot of anomalies exist as people cut carbs that are not necessarily bad but do stray from the “norm”.
Same for me. 10 years or so low carb, ending up in keto. High LDL, so checked for hypothyroidism. Subclinical hyperthyroidism, with antibodies to thyroglobulin. All other markers in range but low tsh. Just keeping an eye for now, but I do have some symptoms.
Thanks, Dr. Norwitz, for doing this fair debunking of keto myths. The diet has been popular for so many years now, you would think that these myths would have been put to rest. There is so much conspiring against the keto diet - from special interest groups, like vegans and the processed food industry who garner immense revenue from high carb junk food, to those who want to harbor some outdated ideas about the supposed damaging effects of saturated fats - that we have to keep addressing these issues over and over again. I appreciate your contribution to the growing body of debunking videos that have been published on TH-cam.
Great video! I have been tremendously successful with keto. Lost weight, yep. Improved my blood test results, yep. But most importantly I am now awake the dangers of insulin sensitivity, seed oils, and sugar. Thanks for all your efforts.
When I first started low carb I wasn't worrying about the seed oils because at that time I didn't know how bad they are. Over the last 2.5 years I've learned a lot and about 6-8 months ago I have been steering clear of them as much as possible; sometimes I will buy things like sausages which generally have them in but whereas before I was eating them regularly I now keep that sort of thing as my pseudo takeaway food (ie if I feel like something different I pick up a pack of sausages and bring them home to cook). When I've eaten something with seed oils I seem to notice a difference in how I feel. Steve of Serious Keto has mentioned that his knees stopped hurting after he changed his WOE but when he eats seed oils his knees started hurting. I wish you all the best. I've had great results too and it is well worth sticking to low carb.
I am living proof you do not NEED carbohydrates to live. Yes I am extremely thin but I can do all my work with ease and have no chronic health issues. Never been obese no matter how much I eat! I love my life and look forward to each of my three meals a day.
One secret of keto for me is that after my 6 hour window of breakfast and lunch I do not get hungry the rest of the day and evening, so it is not a "sacrifice"for me ..
I don’t eat after dinner and before lunch, 16/8. I a diabetic family member who says I rather die than give up carbs. Good god, it’s only food. It’s a mindset….
I love “context”. It clears up questions and helps subdue doubts with all the information thrown at us. I am keto because I like what it does to my intestinal issues which now seem,to be in the past. I can’t imagine going back to my standard low fat carbs diet if for no other reason, my insides are at peace ☮️. This is one of my favorite videos I will refer back to and refer to others. Thanks.
Excellent, Nick! You're the best!!! I'm going to transcribe the part about thyroid and bring it to my doctor. He's a good guy and likes to learn. I see him Tuesday 🤩
I went on vacation recently and ate carbohydrates (including sugary foods). Weight gain ensued, but my LDL went from 301mg/dL to 196mg/dL. I am not lean. I now have 75 lbs to lose. From December 2022 until February 2024, I ate less than 50 grams of carbs a day and am on Mounjaro (lowest dose). Getting back off of the sugar after vacation was hard (even on Mounjaro- I am a sugar addict), and gaining 25 lbs of the 80lbs I had lost up to vacation was demoralizing, but I’m slowly decreasing my carbs and am now cold turkey on the candies, cakes, cookies, ice cream, and bread. Two bucks says my next LDL will be back up to 300mg/dL.
@@RussKarlberg As far as I know those studies don't account for the fact that people's LDL will often drop before death (e.g. a malnourished cancer patient will have low LDL)
@@dangallagher6176 they aren't levels taken right after heart attack deaths, as the studies discuss all cause mortality, including cancer and diabetes, so this is what factored in. Having worked in hospital medical records for years, I see ENTIRE charts- just as many people have heart attacks with normal regular bloodwork (annual physicals) with LDL under 100, but interestingly the lower "regular" LDL die more frequently- and we are a big and busy hospital with a top-notch cardiology center- so it's not because we only have a few cases a year
So many people look at systems as the addition of all of its components. But they can't visualize/imagine it, in their minds, in its working state. These are the Daysprings, Attias, etc. in the world. Then you have those that can and do see systems in their working states, visualizing them as a movie in their minds. These are the Norwitz's, Feldman's, Cromwell's, etc. in the world. The first group will never get it unless you present it to them as a static image. But that's really hard to do. But if anyone can do it, it's Nick.
As a carnivore, I put on muscle mass so easily I wish I'd started as a teenager. I've tried high carb athletics and cycled from energy to lethargy. Plant based made me fat and prediabetic. I might have 30 gr carbs on a CHEAT day. No vegetables no carbs to feel great every day...
At 4:15 SUSTAINABILITY HACK: If you're looking at some cheat and say I DON'T want to eat it, how easy is it to flip and say I WANT to eat it? I say "I want to NOT eat it." (Generally a food "group" like candy, dessert, muffins, bread) - It's a further push back from something that otherwise could just flip to yes. Hubby & I have "sustained" since 2010. Both got down to our marriage weights after reading Gary Taubes' Good Calories, Bad Calories and have held steady for 14 years.
PLEASE do a video about Keto and sleep 🙏🙏🙏 Why is it that some people report much better sleep on Keto (or while fasting), whereas others - like me - can't sleep at all?? I recently saw a video on a channel called "Life & DIY" which addresses this issue (the video mentions you and LMHRs among many other things). I don't know if the girl in the video hit on the right answer, but it made me aware that so many people out there are struggling with the same issues...
So just fast with a stick of butter to help you sleep. Problem solved. Fat fasting is still fasting for most reasons people fast. Good Sleep is so important I think that takes priority if the sleep thing doesn’t adjust itself over time. Usually just a transition thing.
@@BeefNEggs057 You don't know what you're talking about. I have been doing Keto for more than 5 years, my sleep is only getting worse and worse!!! Eating fats does NOTHING for my sleep.
@@aurapopescu1875Problem with sleep is it can be affected by many outside factors. My first thought would be trying magnesium before bed. It's the one mineral that can be lacking for some people. Otherwise I think you need to first rule out your own habits e.g. Going to bed too late, too much screen time before bed. Now that doesn't mean it isn't diet related.
That last segment really shifted my thinking. That the sum of carb intake, activity level, and physiology determine whether one is in ketosis or not. So with that in mind, people set out to do a keto diet by cutting carbs, and it works because it brings that state of ketosis closer. Moving one variable... and probably the easiest one to move right out of the gate. Similarly, someone who doesn't change diet, but starts walking 45 minutes per day is moving the physical activity variable in a way the pushes them toward ketosis, provided they don't immediately slam 80g of carbs in the form of a Mountain Dew or something similar the moment they finish their walk. The physiology will change the slowest - but bodybuilders are working toward it because one of their core premises is the way increased muscle mass leads to a higher BMR. Bearing in mind, I've never thought about it this way until Nick touched on Ketosis being a metabolic state and not necessarily a function of some heuristic.
Nick explained it very well. It took me some time when I first started low carb 2.5 years ago to understand that ketosis is a metabolic state. I have an egg coffee for breakfast and think that I get into ketosis mid morning if I only drink water. However I realise that if I have a coffee with milk or a hot chocolate, then that will most likely kick me out of ketosis. These days I can mow the yard after only having an egg coffee and then water up until lunch time simply because I am fat adapted and enter ketosis. I do feel hungry a bit earlier than usual, but it's not the "I have to eat now" hunger that I used to have and I can wait until the same time for my lunch. Wishing you all the best.
Nicholas - you need to review Noakes' latest research about burning carbs during exercise. They tested multiple distances and levels of intensity through a full range of track type events. In no case was the amount of carbs ingested important to the performance of the athlete. They also proved that ingesting about 5 grams of carbs before an event helps the brain to cope with the anticipated load - the carbs are not consumed for energy to execute the event, they are used in the feedback loop for the brain to sort out what the muscles are doing and what they need. In all cases, and in all events, fatty acids were burned for fuel, not carbs. Carbs are not necessary for any athletic event. Once fat adapted.
About point 2; I would add that it doesn't need to be sustainable to have very positive long lasting health affects. I have been able to prevent diabetes by going keto for months at a time every few years. My grandmother and sister both died from the direct affects of diabetes and my mother died from indirect. I have no signs of diabetes since cycling off and on keto which always astonishes my doctors. I'm convinced that simply letting my pancreas rest and resetting my insulin levels has been the key. I also believe it may help with preventing cancer, improving heart health, and preventing a myriad of other health ailments. Also, I've been studying keto and nutrition in general since I read Atkin's book in the early 90's. Your last point on using the term "keto diet" is the first time I've seen it described by someone other than me. LOL I've argued this point with many people over the years so I'm glad I have a video I can point people to now. 🙂
Ketosis can be an effect of a combination of diet and exercise, but it’s not any particular diet. A particular diet that tends to induce ketosis in an individual is a ketogenic diet with respect to that individual. That’s how I describe it.
I went low carb to remit my diabetes, successfully. I'm now sticking with it because I feel a lot better on it and my arthritis doesn't hurt like it used to. I'm hoping that by keeping the inflammation as low as possible that I will slow the progression and be able to keep as mobile as possible for a lot longer. Dennis Pollock of Beat Diabetes! says that his arthritis doesn't seem to be getting any worse.
@@jobrown8146 if you want to keep down inflammation, be sure to eat ‘clean’ keto and lots of fatty fish (salmon, sardines, cod liver); throw in garlic, turmeric and ginger. Huge impact on my chronic inflammation. I’m healed. Off many drugs related to inflammation. Keto wasn’t enough though -it’s gotta be clean and no fake sugar, and eat lots of fatty fish.
Oh ya .... Thanks Nick!!!! Truly I look forward to your videos!! I really enjoyed your better defining keto - as a state of ketosis, not some sort of diet.
Check out the movie where a football player bikes across Aus from Perth to Melbourne fuelled by a carnivore diet. He had a companion for a short time who needed to stop every few hours to eat his carbs.
wish you could like specific moments within the timeline so little hearts and likes pop up while the vid goes on. even comment along the way, people can chime in on those comments, having living conversations threaded thoughout the video. great vid again, life is nuance- something about billions of individual perceptions gazing from upon this microcosmic dirt ball hurtling through the quantum void...
The 6th point was good. Indeed, to be sure that you are in ketosis you need to confirm it by measuring ketones level in breath, blood or urine. Blood measurement is the most precise one. Ketones Breath measurement is the easiest one to do, which I do personally.
Some say carnivore is not a ketogenic diet. It seems we need clarity on what ketosis actually is. Bart kay says we are " kicked out of ketosis for a couple hours when we eat sufficient meat due to a slight rise in insulin. " but this does not make sense to say " kicked out of ketosis" i would say we may notice a slight decrease in ketone production momentarily but definitely not Kicked out of ketosis. If one is " kicked out" i assume they are entirety running on glucose. May be semantics but the terminologies seem to confuse people into thinking carnivore is nt keto. . . carnivore is definitely keto. And maybe a slight bump in insulin from eating sufficient meat due to gluconeogenisis would bring a slight decrease in ketogenisis but i refuse to use the term " kicked out of ketosis" when we eat sufficient meat. Thoughts?
Take it with a pinch of salt when you see a paper being negative about Keto. They all do the same as he says they never actually do a Keto diet 20-50g net carbs. They have them on a "low carb" or "keto like" diet with like 100g of carbs then give them a load of fat to eat. If you are eating fat not in ketosis then obviously this is mimicking the standard american diet and links to poor health.
Yeah like when they try to show saturated fat is bad for you by force feeding rats muffins with saturated fats....well yeah that combo is always bad, but cut out the muffin and the saturated fats become incredible for your body.
Ya it’s not Keto - they used a SAD light diet. Basically they put people on more restricted SAD diet. Low carb needs to be defined. They used “lower carb” and not “low carb” or “lowest carb” - superlatives and comparatives matter much in scientific research. They also need to define high fat - not just simply use higher fat. People don’t have a good sense of keto and don’t actually define it correctly.If you aren’t using fat for energy, is it really keto?
Adding butter and animal fat doesn’t hurt anyones health and helps satiate everyone’s hunger. The low fat laughing stock (not a diet) is why we have obesity and diabetes everywhere. The sugar, vegetables and carbs hurt your health. Not the fat. For instance my wife started losing weight eating dinner with me. I also made her a high fat chicken salad with bacon and bacon grease (delicious). She lost a lot. Very satisfying food when it has fat. Eat less. Lose weight. Eating lean just makes you always hungry and we know that’s not sustainable.
I was Keto for 4 years. Went Carnivore 5 years ago. So going on 10 years now. 66 years old and will sustain for life. Healthier on almost no carbs (most days zero but always less than 10 daily if I use some spices on my meats) than I was 10 years ago. It works for me.
The math doesn’t make sense. Carnivore is keto. Not all keto is carnivore. If you were keto 4 years and carnivore 5 years…. Makes no sense. At a minimum you were keto 5 years.
@@RC-qf3mp My math might not be so accurate, thanks for reminding me. When I was Keto for about 4 years I ate meats with lots of low carb vegetables thus my carbs were much higher than when I went Carnivore. With Carnivore I eat meats & eggs only (no dairy) but do use spices which adds a few carbs to my one meal a day.
@@YeshuaKingMessiah the math doesn’t make sense because carnivore is necessarily keto; keto is not necessarily carnivore. So he can’t have more years of carnivore than keto. What he likely means is he was non-carnivore keto for 4 years, and carnivore keto for 5 years. That would be a total of 9 years keto. He says he was only keto for 4 years, which is false.
love your very balanced unemotional take on this topic💪🏻 i’ve been on keto for a few years now, turning 50 this year and have felt pretty darn good considering. and im no nazi on this stuff, i buy my kids all the ice cream and sugar they want. ive never tried selling or persuading keto to anyone else. it’s just my own diet that i follow cuz i like it for me
Thank you. When I first changed to low carb and was listening to videos I was confused about whether to say I was low carb or keto. Then I heard someone explaining that keto is short for ketosis and as you say, a metabolic state, so I realised that the term keto for the diet type is not accurate. I don't really care what my WOE is called but if anyone asks I just say low carb and that I managed to remit my diabetes and get to my ideal weight (without trying) just be cutting the carbs.
What I really appreciate are your analyses about how to look at biomarkers more deeply than just as dumb thresholds. Unfortunately most medical practice just look at biomarkers as thresholds for definitive diagnosis and nothing more.
Anyone who says keto is not sustainable is addicted to carbs. The behaviour lines up. Also - while I'm don't compete (and don't want to) - I'm fitter than most my age: I can ride fasted 100 km/day for multiple days. I regularly (if not almost exclusively) ride fasted and havn't bonked since I quit carbs. Might not be for everyone but it sure makes my life easier and better in many ways.
When doctors push meds without discussing a sustainable keto lifestyle it negates their patient's desire to tap into willpower and exercise better choices. We deserve better than that. It's defeatist and that attitude should never enter into a doctor's "advice". There's never a discussion on nutrition unless it's to push the lean meat-whole grains-fruits-veg model if you've an elevated LDL. I've never been able to sustain an energy level on carbs that I have on ketovore and even more so when I was strictly carnivore for 2 years and lost a lot of weight that my doctor has never mentioned. Not one bit of interest how I did it, so if curiosity isn't part of your doctor's "practice" move on to someone who shows interest in your positive lifestyle changes and cheers you on.
I had the SAME experience with my old doctor! Zero curiosity! After keeping forty pounds off for 5 years on a low carb diet, I asked him how many of his patients do that. After thinking, he said, "Just you", but still no interest or enthusiasm in what I was doing.
Good video. I'm torn with your definition of LMHR to be a defect. I'm no scientist but it seems high cholesterol needs to be in the company of inflammation to cause problems. Isn't it premature to call it a "defect" ??? Much needs to be exposed about high cholesterol and what it really does or doesn't cause or contribute to, in my opinion.
I always question this...why do we never see inflammation being a concern along with the high ApoB or high LDL, no inflammation, no problem. It's like saying fuel tanks cause fires, but unless there is an instigating factor that happens to ignite the vapors then NO FIRE.
Nick, I loved this video. I'm a 69 yr old male who ate a bad diet the first 65 years of my life producing a calcium score or 380, high BP and severe osteo arthritis. Now on mostly carnivore the last few years and numerous issues resolved except the coronary artery issue. Arthritis still not good. My concern is I am a LMHR and my cardiologist put me on Repatha which I agreed to with reservations. I don't feel as good since on it but it's hard to describe how. I'm waiting on any shread of information to know if the repatha is necessary for someone like me. I don't have forever to find the answers. I hear there is evidence older people live longer if LDL is higher. Now that my diet is radically different than the awful version I ate in my 1st 65 years maybe I don't need the drug. I wish I could know. Please keep reporting on any LMHR thoughts you may have as information becomes available especially as it relates to people who already have damage from previously bad dietary choices and need to make medication decisions as a LMHR now that the diet has been reformed. Love your videos!
Keto is very sustainable, and so is Ketovore. That's me - Carnivore up to the Keto part at the end - 5 Tsp Olive Oil, and just a few macadamia nuts, walnuts, and pecans to get the OO down. I seem to be thriving on it, and will leave out all of the good results my 64 y/o body doing fine, with daily walks, and regular gym time. Very happily, my VA doctor is used to Keto and Carnivore Vet patients, and has not tried to push Statins on me. Crucially, fellow old dudes - don't be too "lonerish!" Force yourself into a bit of social stuff regularly. That's not food, but all longevity studies show we outta be regularly social.
Community, yes, but intrinsic motivation is much more important for a person to persevere on a regimen involving a substantial modification of lifestyle.
To me, that “intrinsic motivation” is called Mounjaro. For the obese, it’s the hormones, stupid. That’s what got me back to keto and keto is how I’m losing weight and will keep it off once I reach my goal. Once I reach my goal weight, I will go off the Mounjaro. The Mounjaro will always be there in case I fall off the sugar-free wagon.
Don’t forget other sports benefits of keto - not bonking in endurance sports and more stable energy levels. And Phinney/Volek research and the top keto endurance athletes in ultramarathons, cycling, triathlons. There’s a different ‘carb loading’ protocol for some keto athletes in some sports. So it’s sport-specific and individual differences - but even for those athletes, the carbs they take in are drastically fewer and nothing like the conventional wisdom.
@@ebrahimshahidarshad1763 that’s a fallacy. Because everybody does X, doing not-X (Y) must be inferior. By that logic, there’d never be any progress in anything. To answer you anyway, despite having identified the fallacy, it is a matter of fact that many records in various races and trails for ultra endurance athletes have been set by keto athletes. Look it up. I gave you the names of the scientists doing the research (for decades) in my original post. Show that their research is wrong - they’ve proven that keto-adapted pro athletes oxidize fat higher than anything ever recorded in human history by carb-loading professional endurance athletes. By a mile. See Zach Bitter and Timothy Olson, Miranda Carfrae. Most athletes don’t do this because they are too indoctrinated by orthodoxy and are accustomed to carb-loading. It would take a very long time to make the switch to keto - at least six months, probably longer. It’s also well studied that keto athletes recover MUCH faster after big endurance races. And there are the countless health benefits/risks of keto vs stuffing yourself with high fructose corn syrup and other junk - like pooping your pants while racing or vomiting which is common among carb-loaders. This isn’t a debate. The science is in. Keto is better on a number of objective measures for performance and health for endurance athletes. If a particular individual does well with carb-loading, fine. It’s possible. But with risks, and the question remains whether those athletes would perform better on keto and have faster recovery times and fewer risks to overall health. Since people are carrying body fat anyway, why not use it? And using it efficiently requires adaption. And that adaption requires time. And people need to learn a whole new way of preparing food and eating it, which most don’t bother doing. The “if everybody is doing it argument” is something I’d expect from a child, you’re obviously not a scientist. In any case, many keto endurance athletes kept their diet a secret b/c it gave them an edge they don’t want others to know about. But watch videos of endurance athletes vomiting, bonking and pooping their pants - those are almost all carb-loaders. Many develop GI issues from carb loading that is only successfully treated by keto. Look it up. Facts.
@@RC-qf3mp I am one of those people. I rode my bike almost 300 miles over mountain passes, climbing about 24,000 feet, in less than 48 hours, fueled only by steak, peppers, olive oil and eggs.
I've been keto for 5 years and I'm a lean mass hype responder, 66 years old. But in the last 2 years my CT CORONARY CALCIUM SCORING has increases from 126 to 219. This seems to fly in the face of your LMHR study with Dave Feldman Should I be concerned? Am I eating something wrong?
Question on the sustainability of keto. What about the long term difficulty with electrolytes absorption? I’ve heard some arguments about the difficulties and would love more info on the nuances and or solutions here.
I found most of the points compelling, particularly “keto diet is not about what you eat but about your resulting ketosis level”. I would go further and suggest that the glucose/ketone ratio is a better definition of ketosis than ketone level alone, as it filters out keto acidosis states. For me GKI values below 5.0 indicate my diet is ketogenic. One nuance is that if I am stressed, a cold or an injury for example, my ketosis ends, i.e. BG UP - BK down, which has nothing to do with my diet.
I agree. There isn´t problem with sports without carbs unless you are like Husain Bolt when you need explosing power to perform. Total opposite if you run a marathon. Well i´ve been only 15 months on keto and i am not going to go back on carb based life. I just have to add some fat into my diet after i´ve received my idealic weight. Ofcourse cholesterol will rise. You need it for the new cells as building blocks. When your body starts to heal itself, it needs high amounts of cholesterol. If you´ve got insuline resistance or t2d, you need cholesterol to heal your liver. I was diagnosed of hypothyrodism after 12 months of keto. But keto wasn´t the reason for that. My mom has it too so i had bad genes for it and the symtoms started 5 years earlier. I just didn´t know that those symptoms came with hypothyroidsm. Now i have medication for it. Yes! If you are and stay on ketosis, you are on ketogenic diet. I try to limit carbs as low as possible, but i know that i wont drop from ketosis if i would eat 50 grams of carbs a day. I am pretty big guy and have some frame. It is totaly different if i would be very small. There is huge personal differences becouse we have different kind of bodies.
I went on Keto and lost a bunch of weight. However, my cholesterol basically went through the ceiling. All in a matter of months. Then I decided to cut all the added saturated fats totally and I cut way back on meat. I went heavy on seafood. While HDL-C went from 75 to 65, TG went down a few more points to 45. Total cholesterol and LDL-C took a huge dive almost to normal level. It appears that everybody is different alright.
Could you turn that last part about what a ketogenic diet is/isn't into a short? The people I know don't have the attention span for much more but I could get them to watch a short by telling them you are the oreo statin guy. I really enjoy your videos informative and entertaining 👍
Funny with unsustainable... I've been mostly ketovore since 2018, and absolutely love it. Don't need support, don't listen to deniers. It's simple, I just enjoy meat :)).... One-two weeks maybe a little bit of struggle, giving up sugar and carbs almost completely, but since then, under 20 grams of carbs/day, consistently.
My problem is I am carb addicted. So I go keto and somebody force feeds me scones. Then all hell breaks lose. I am on cake and crisps and chocolate. I get angry that I have fallen of the wagon. I do good for two weeks feel great. Then another person insists we do lunch or they bring me cake or chocolate. They say it will do no harm. I succumb and then another two weeks of carb mayhem. Then I sober up off sugar and try again. I think for me I need to go away into the wild away from the carb pushers. Love Nicks Videos he makes it so interesting and he has loads of enthusiasm. Keep up the good work.
Please comment on the study released about the very high incidence of heart attacks, strokes, & death caused by xylitol & erythritol. I’m freaking out!
@@nicknorwitzPhD of course, that is the most sensible thing, but they are in some foods I consume regularly (like Greek yogurt), & I occasionally make keto desserts/muffins that call for them. Love your channel! It’s one of my mainstays for information to use when I talk to my doctor, who wants me on a statin.
This was very informative. This isn't a myth about the ketogenic diet, but it is an issue that people can face on a vegan ketogenic diet. Oxylates -- Do they play a role in chronic diseases, and should the general person be alarmed about them. What about other plant defense mechanisms that trigger toxic responses in the human body? After trying out the carnivore diet, I am a firm believer that Dr. Chaffee is correct in his analysis, but I am more curious to know your thoughts. You mentioned Dr. Baker in this video, and I assume, possibly incorrectly, that you are familiar with Dr. Chaffee's work also. As always, your nuanced approach to discussing these topics is greatly appreciated.
I'm not personally too concerned with dietary oxalates. Some people may have sensitivities. But - for your avg. person - I don't think they're a reason for concern... unless you're trying to fully replicate a Popeye diet... then maybe? Yes, Anthony and I are friendly :) May not see eye to eye on everything... but that would be boring
Makes sense! Thank you ❤ I just fell off the keto wagon because it’s too much for me to handle in social settings. I also have a Hypothyroid and my hair falls out 😮. Looking for ways of keeping my hair skin and nails healthy. (Keto 5 months).
I was on a protein only diet for several months then switched to a carnivore diet. Able to maintain 16 hour fasts, and longest fast has been 48 hours. Swim regularly, 2km a session during the fast, and no loss in energy, no need to eat afterwards. Most sustained level of energy I've ever had.
@nicknorwitzPhD I was diagnosed as bipolar 2 three years ago and since being free of sugar both the mania and depressive episodes have been reduced in nadir and zenith. I then re-introduced sugar back into my diet via 2 teaspoons of honey a day, and on day 5 I noticed a significant depressive episode occurring, much more so than since removing sugar several months earlier. I subsequently removed the honey and by the third day thereafter, the extremes of the moods had waned.
The internet is desperately craving moderate nuanced positions that don’t paint things in black & white. Idk what it is exactly - but something started a new season where we’re tired of hearing people try to convince us to take a position rather than just delivering information
It really doesn't matter what you eat. But of course you want to eat clean. But the human body will turn practically anything into what it needs, whether it be Fats, Carbs , or Proteins. The body will turn it into ATP to make whatever it needs to build. Diversity of diet is needed to satisfy a balanced nutrition, and not to become anemic of a given nutrient .
Have any of the keto gurus looked into the fact that ketone and fatty acid oxidation produces much less CO2 than carbohydrate metabolism? According to Ray Peat this can be problematic as CO2 serves as the primary vasodilator in our bodies (nitric oxide being an emergency backup vasodilator that can cause damage in excess) and proper CO2 levels are needed to oxygenate tissues via the Bohr effect (which is the reason hyperventilation also causes mild hypoxia despite there potentially being a higher concentration of oxygen in the blood). Some of this isn’t widely recognized in mainstream medicine but neither is keto considered to be as great in the same circles. If true though, wouldn’t keto be bad for those who already have issues with producing enough CO2 and/or have excess NO?
To highlight the first myth, there was a German study that showed that elite athletes didn't live as long as the general population and that the more dominant they were, the more their life expectancy was negatively impacted. So, when asking whether you need carbs for elite performance, it's very possible that the answer is yes but if you're looking to extend your life expectancy as much as possible, maybe not.
Long-term excess consumption of meat is linked to several health problems, including colorectal cancer. That being said, junk & grain carbs could probably be reduced by 80-90% for the average American, only to their benefit. There's some evidence that endurance athletes largely benefit from a degree of carbo-loading (though not that much, IMO). I remember playing 3 games of hockey in a day, this was when I was very fit, and it kicked my ass. 2 ganes in a day would also but I found some white rice 3-4h before helped a bit. Again, this doesnt apply to most people.
@nicknorwitzPhD Yet this idea that keto leads to chronically elevated cortisol levels does keep coming up. It's an assertion Dr Mercola has been making a lot recently. It would be good to look into whether there's any basis for the claim.
58 male, Low glycemic paleo, i notice a substantial difference in performance at the gym doing my 1.5 hr cross fit type circuit/interval training. My exercise is fairly high heart rate and im definitely burning more carbs than fat. I still eat more fat than higher glycemic carbs but i did eat higher glycemic more like Salidino for 6 months so i can tell the difference. I obviously can do it low glycemic like in back to again.
Shawn Baker seems to be able to break world records pretty well without carbohydrates. Although, it would be really interesting to see if they augmented his performance at all.
My recent TSH was 0.050, which is at rock bottom. The T3 and T4 are normal. My endocrinologist's face just looked... off... anyway, my levo got dropped from 75 mcg to 50 mcg. I had been on the same dose for over a decade, until I started eating keto/low carb/carnivore. Lost a lot of weight. I used nuclear medicine in 2009 to kill the overactive thyroid. Now... something has changed. I'm a little concerned. Getting retested next month.
Electrolytes = taurine Energy = taurine Fat digestion = taurine Most problems with keto actually stem back to a taurine deficiency. It cleared all of my issues up immediately. ❤
In medicine, the mantra is, we don't treat a number we treat the patient. We are different and it's not surprising that some of us like the LMHR are significantly different.
Love your content Dr Norwitz. You seem the type that likes to "figure things out" When you graduate from medical school, consider a career in forensic pathology.
Not sure if you will read this, but I'm curious to know what you think of cycling keto by the seasons. For instance, reintroducing carbs in the form of local seasonal fruits and tapering off of them as winter approaches?
Nah, it’s hormones. You’re just lucky. I’d love to see a thin person in my shoes pre-Mounjaro for just one day. You’d lose your fucking mind not being able to exert your will on your own body.
My theory regarding this phenomenon… Your body began getting seriously damaged by the carbohydrates (by plants, candies, doesn’t matter. This damage requires healing. To do that your cholesterol gets used up. Hence the lowering of cholesterol while eating carbs. And of course the opposite would be true. Cholesterol rising, because it isn’t getting used up as quickly. Cholesterol levels are set by our genes. Everyone has different set points. Two people with the exact same mass, distribution, age, etc, wont have the same base level set point of cholesterol. And not everyone is damaged in the same amount by carbohydrates. This needs testing. Nick has already done some of this testing with his Oreo test. Cholesterol lowered quite a bit. My opinion about statins is in the same venue. Perhaps the statins that do indeed lower cholesterol, do it by damaging the body so they get used up. Can you really trust the people that test their own stuff? Pharmaceutical companies testing the drugs they want to sell always works out as “safe and effective” even though we know it isn’t. I’m reminded of the swine flu epidemic in the late 1970’s. Only one person ever died from it. Patient zero. The media and government fear mongers pushed for vaccination. With prime time TV commercials that said “if you don’t get the swine flu shot, you are killing your neighbors and grandmas!”
Statins decrease inflammation. Inflammation is the trigger for CVD. Don’t discount those vaccines, my friend just because the sugar and statin industries have behaved very, very badly. Mounjaro has gotten me back on keto and losing weight. Not all drugs and drug companies are bad.
@@maryk6407 Thats why Heir Fauci has been taking Ivermectin. I guarandamntee he isnt taking paxlovid. Another drug, being used without testing. Or should I say, being tested “live”, in process, tested on an unwitting ignorant populace.
I have been using a CKM for about a month. I don't know how accurate it is. The CGMs are not very precise, so I am thinking that the same is true for the CKM. In any case, it is interesting to see the ketones level bounce around, sometimes in response to food and sometimes not. What is clear; is that a few more benchmarks are needed to make sense of the data. A ketone threshold of 0.5 does not seem to have useful interpretive value.
Yeah I tell people if you eat carbs one day and then fast half the day the next day and you alternate on that you are doing a ketogenic diet. As long as there's ketones you are doing a ketogenic diet and some people can get away with 50 grams. It's all about if you are making progress towards your goals. Lower carbs generally easier for goals.
I changed my nutrition life style a couple years back now, didn't know what a KETO or Carnivore were, even though I had heard of KETO .. to this day I don't think I am either of those. Here is a shocker - My doctor a few years back told me to "cut back on my carbs" or else ... ;) I eat MACADAMIA nuts (LOL!), pistachios and once in a while some fruit or a vegetable, BUTT! .. the vast majority of the time I eat MEAT and eggs. No processed foods, no rice, bread, pasta. And yes I miss pizza ... LOL!!
![[ TEASER ] เงาะป่า - วงL.กฮ. | TMG RECORD](http://i.ytimg.com/vi/M4ObdFfcPww/mqdefault.jpg)
With respect to myths #1 (exercise) and #2 (long term sustainability), I am 60 and now thru-hiking the Appalachian Trail carnivore and OMAD (no snacks) from Georgia to Maine (2,200 trail miles). I hike in a fasted state and eat after I am done hiking for the day. I hike about 8 to 10 hours a day, covering about 12 to 15 miles wearing a 30 lb pack over steep mountainous terrain.
For me, carnivore and OMAD is highly sustainable while long distance thru-hiking, as it is in my daily life. I never feel metabolically fatigued or bonk while hiking. Always feel good at the end of the day with plenty of gas left in the tank. Also, no NSAIDs, joint problems, or soreness. Always feel good in the morning and eager to start the day. I did a 4 month 1,000 mile proof of concept section hike last year, at which time I lost 14 pounds in the first 2 weeks as I was adapting to trail life and getting my trail legs, then lost only 1 more pound over the next 3.5 months. So far this year, I have been on-trail for 6 weeks and have lost only 4 pounds. No "hiker hunger", no "post-hike depression", no post-trail weight gain, no post-trail anything (other than feeling good).
Most long distance thru-hikers follow the "recommended" thru-hiker diet consisting of 4,000 to 6,000 calories per day of 75% carbs, 15% protein, 15% fat (75-15-15) and tend to experience "hiker hunger", binge eating while in town, and progressive weight loss while on-trail. This is followed by post-trail depression, continued hunger, and significant weight gain after they go off-trail. Most long distance thru-hikers are sold on and indocrinated into the myth that you need a massive amount of carbs to keep your energy level up and perform. Typical thru-hikers continually snack on candy and high carb, highly processed junk food (e.g., honey buns) from morning to night. Meals are also a massive carbfest (pasta, rice, beans, tortillas, etc.).
For purposes of personal interest and N=1 thru-hiking science,
I am wearing a CGM to monitor blood sugar, a "Charge 6" model Fitbit monitor, and also brought my KetoMojo meter for finger stick monitoring of glucose and ketones levels. Resting heart rate is in the high 40s.
Diet on trail consists of pemmican, salami, powdered eggs, and cheese.
Last year, I had comprehensive blood work done after 3 months on-trail thru "Own Your Labs" and LabCorp. NMR lipid profile and Insulin Resistance score parameters were mostly all off-scale pegged to the green (low risk). Fasting insulin level was 1.2. For those interested in cancer, KetoMojo glucose/ketone index (GKI) cancer score developed by Dr Thomas Seyfried, PhD is fanstastic. GKI is typically, less than 2.0, sometimes less than 1.0. Lowest score was 0.7.
That is amazing! Thanks for sharing.
Thank you for sharing your diet and hiking journey and this makes sense for our life carb community reading through this.
Curious what your heart rate range is while you're hiking. I would guess zones 1 and 2 depending on your pace and topology of the terrain.
So you were out hiking in a rather beautiful area of the US and felt the need to reply to a TH-cam video? Okay….
Absolutely this, energy never runs out when carnivore/0 carb.
Wow, pemmican - without the dried fruit I assume. I’ve been toying with the idea of hiking again being a carnivore and there are some keto freeze dried meals out there but definitely need to steer clear of the spinach and other depression causers like nuts too.
Powdered eggs, cheese, homemade jerky is what I came up with. Canned “meat” if I can deal with the weight. The beef and salt pemmican would bring in the fat to make ketones. Maybe some MCT Oil also.
Crazy I’m even thinking of hiking. Sadly I’d given up on that due to feeling old. Not anymore!
Keto is the Way
Pedro Pascal loves Tex-Mex cuisine, apparently...
@@nicknorwitzPhDCurious: net carbs vs total carbs What's your opinion?
No Carnivore is the way.
Ketosis is an unfortunate compromise.
@@whowhy9023 Disagree that keto is a compromise... would be a sad thing to dive up good dark chocolate, EVOO and macadamia IMHO...
@@efsmiley1995 Net for real foods. E.g. Avo = 3, not 13.
I am 65 and recently switched to a low carb diet to deal with high blood sugar and insulin resistance. I feel so much better in just a few weeks. I love your podcasts because they are so informative. I also love your enthusiasm. Knowledge is power. Keep up the good work.
Knowledge IS power! Happy you're feeling well!!
I'm also 65 and in December I went Full carnivore and in 3 weeks I lost 22 lbs so I switched to a Keto and I lost a total of 37lbs and I am now at the weight I was when I was in the Military! I'm off all my blood pressure meds and feel great also.
That's great. I'm now 66 and have been low carb for 2.5 years. I was surprised at how quickly I started to feel improvements when I changed to low carb to remit my diabetes (which I did within 3 months). The first thing that I noticed after only about 1 week was that I was getting a better quality sleep. Even though I sometimes have difficulties sleeping due to back and knee issues which can disturb my sleep, I found that I wasn't as tired the next day. After about 3 months I had to reduce my BP drug by half, then later I had to do that again, and these days I am off completely. I am now back to my ideal weight which I haven't been since mid 1980s before children, without even trying. And amazingly my hair is not as grey as it was; when I started noticing this I had had no idea that this was possible but I have since found others online who have had the same thing happen. I wish you all the best.
@@jobrown8146Yay! Well done!
@@nicknorwitzPhD absolutely unethical for you not to comment on how dangerous what theyre doing is.
I don't spend hours grocery shopping anymore. Half an hour when I am just being lazy adhd staring at the colors wandering the isles otherwise ten minutes to get my food for the week. Shop outter perimeters of the grocery store the middle for coffee!
Yeah exactly, compressed the grocery store to the meat section, the dairy aisle, and the coffee aisle.
Well, sometimes the candy aisle when dark chocolate is on sale.
I know a guy who races bikes, and when he went keto, he found that not only did he have more stamina and strength, but he wasn't shaking and collapsing after a long race.
I got to over 450 lbs by eating Carbs and Sugar.
Now at 225 6'2" and a CARNIVORE
You're half the man you were, Paul. And I assume you're okay with that ;)
@@nicknorwitzPhD it really was hard to deal with being almost invisible at first. It was like I didn't even exist anymore
@@paulhailey2537 That's sobering... thanks for sharing
So awesome more power to you
Great video! I don’t understand why people think Keto is unsustainable. I don’t check my metabolic state daily but it is easy to stay 20 grams carb a day. honestly, it’s more about feeling better for me ….and getting amazing metabolic panel results when I have bloodwork. Anything is sustainable if you see the benefits in your life.
"Anything is sustainable if you see the benefits in your life." -- BOOM
Yes, it's the benefits that keep me motivated to stick with it. My pharmacist told me that he is trying to be low carb but said he is eating pasta some other foods. I asked him how he felt after he eats the carbs and he said he feels horrible. I'm hoping that makes him think more about cutting out those foods.
@@jobrown8146My mindset regarding eating candy, pasta, etc. is “It’s not worth it.” I love my BMI @ 21 💪🥩🥑🧠
I’ve been low carb/KETO for 6 years finally going OMAD carnivore in January this year at 58 years young, I had my thyroid panel drawn in March and my testosterone was 711! But my TSH was a .5 ie hyperthyroidism (supposedly ) but I feel great I got tons of energy with none of the other accompanying symptoms so my endocrinologist just said let’s just watch it. A lot of anomalies exist as people cut carbs that are not necessarily bad but do stray from the “norm”.
Same for me. 10 years or so low carb, ending up in keto. High LDL, so checked for hypothyroidism. Subclinical hyperthyroidism, with antibodies to thyroglobulin. All other markers in range but low tsh. Just keeping an eye for now, but I do have some symptoms.
Thanks, Dr. Norwitz, for doing this fair debunking of keto myths. The diet has been popular for so many years now, you would think that these myths would have been put to rest. There is so much conspiring against the keto diet - from special interest groups, like vegans and the processed food industry who garner immense revenue from high carb junk food, to those who want to harbor some outdated ideas about the supposed damaging effects of saturated fats - that we have to keep addressing these issues over and over again. I appreciate your contribution to the growing body of debunking videos that have been published on TH-cam.
Keto diets are very dangerous...to the profits of Big Pharma and Big Farma.
Great video! I have been tremendously successful with keto. Lost weight, yep. Improved my blood test results, yep. But most importantly I am now awake the dangers of insulin sensitivity, seed oils, and sugar. Thanks for all your efforts.
When I first started low carb I wasn't worrying about the seed oils because at that time I didn't know how bad they are. Over the last 2.5 years I've learned a lot and about 6-8 months ago I have been steering clear of them as much as possible; sometimes I will buy things like sausages which generally have them in but whereas before I was eating them regularly I now keep that sort of thing as my pseudo takeaway food (ie if I feel like something different I pick up a pack of sausages and bring them home to cook). When I've eaten something with seed oils I seem to notice a difference in how I feel. Steve of Serious Keto has mentioned that his knees stopped hurting after he changed his WOE but when he eats seed oils his knees started hurting. I wish you all the best. I've had great results too and it is well worth sticking to low carb.
Been on this keto journey for 10 months and just found this channel. Super helpful discussions!. Thanks for the inspiration and support!
Keto is good to start out with before moving on to Carnivore. You'll Never get Hungry with Carnivore
@@paulhailey2537 in the middle of a Carnivore Challange this month !
You're welcome and thanks for joining on the education journey!
You and Dr. Bikman are the very best of us.
That’s very nice 😊
Add Dave Feldman, Adam S, Lustig, Davis, Berry, Cywes, Means, Brewer, and the other Trail Blazers in this space.
I am living proof you do not NEED carbohydrates to live. Yes I am extremely thin but I can do all my work with ease and have no chronic health issues. Never been obese no matter how much I eat! I love my life and look forward to each of my three meals a day.
Sounds like you're *leaning* into life, pun intended.
So no vegs and fruits at all in your life?
3 meals? I can’t eat more than 1-2 meals especially if I eat beef and eggs.
@@Chew81 Veggies are duck food, I don't like fruit either.
@@BeefNEggs057 I can eat a LOT for such a skinny man.
One secret of keto for me is that after my 6 hour window of breakfast and lunch I do not get hungry the rest of the day and evening, so it is not a "sacrifice"for me ..
I don’t eat after dinner and before lunch, 16/8. I a diabetic family member who says I rather die than give up carbs. Good god, it’s only food. It’s a mindset….
Nick, enjoyed the pace and content of this video.
THanks :)
I love “context”. It clears up questions and helps subdue doubts with all the information thrown at us. I am keto because I like what it does to my intestinal issues which now seem,to be in the past. I can’t imagine going back to my standard low fat carbs diet if for no other reason, my insides are at peace ☮️. This is one of my favorite videos I will refer back to and refer to others. Thanks.
What a home run video!!! So reasonable, nuanced and thought provoking..
So kind! Thank you
Excellent, Nick! You're the best!!! I'm going to transcribe the part about thyroid and bring it to my doctor. He's a good guy and likes to learn. I see him Tuesday 🤩
I went on vacation recently and ate carbohydrates (including sugary foods). Weight gain ensued, but my LDL went from 301mg/dL to 196mg/dL. I am not lean. I now have 75 lbs to lose. From December 2022 until February 2024, I ate less than 50 grams of carbs a day and am on Mounjaro (lowest dose). Getting back off of the sugar after vacation was hard (even on Mounjaro- I am a sugar addict), and gaining 25 lbs of the 80lbs I had lost up to vacation was demoralizing, but I’m slowly decreasing my carbs and am now cold turkey on the candies, cakes, cookies, ice cream, and bread. Two bucks says my next LDL will be back up to 300mg/dL.
Well, lucky for us, high LDL is actually associated with longer life, according to studies...
Where did the LDL go? Got itself glycated and sucked into arterial walls.
@@RussKarlberg As far as I know those studies don't account for the fact that people's LDL will often drop before death (e.g. a malnourished cancer patient will have low LDL)
How long was the vacation? 25lbs is a lot to gain in a short period of time.
@@dangallagher6176 they aren't levels taken right after heart attack deaths, as the studies discuss all cause mortality, including cancer and diabetes, so this is what factored in. Having worked in hospital medical records for years, I see ENTIRE charts- just as many people have heart attacks with normal regular bloodwork (annual physicals) with LDL under 100, but interestingly the lower "regular" LDL die more frequently- and we are a big and busy hospital with a top-notch cardiology center- so it's not because we only have a few cases a year
So many people look at systems as the addition of all of its components. But they can't visualize/imagine it, in their minds, in its working state.
These are the Daysprings, Attias, etc. in the world.
Then you have those that can and do see systems in their working states, visualizing them as a movie in their minds. These are the Norwitz's, Feldman's, Cromwell's, etc. in the world.
The first group will never get it unless you present it to them as a static image. But that's really hard to do. But if anyone can do it, it's Nick.
As a carnivore, I put on muscle mass so easily I wish I'd started as a teenager. I've tried high carb athletics and cycled from energy to lethargy. Plant based made me fat and prediabetic. I might have 30 gr carbs on a CHEAT day. No vegetables no carbs to feel great every day...
At 4:15 SUSTAINABILITY HACK: If you're looking at some cheat and say I DON'T want to eat it, how easy is it to flip and say I WANT to eat it? I say "I want to NOT eat it." (Generally a food "group" like candy, dessert, muffins, bread) - It's a further push back from something that otherwise could just flip to yes.
Hubby & I have "sustained" since 2010. Both got down to our marriage weights after reading Gary Taubes' Good Calories, Bad Calories and have held steady for 14 years.
Keep on keeping on, your doing great. I always look forward to your videos. Thank you.
You're welcome :)
Great video! I love your ability to communicate your point of view. Thanks!
Thank you :) Appreciate it.
PLEASE do a video about Keto and sleep 🙏🙏🙏
Why is it that some people report much better sleep on Keto (or while fasting), whereas others - like me - can't sleep at all??
I recently saw a video on a channel called "Life & DIY" which addresses this issue (the video mentions you and LMHRs among many other things). I don't know if the girl in the video hit on the right answer, but it made me aware that so many people out there are struggling with the same issues...
So just fast with a stick of butter to help you sleep. Problem solved. Fat fasting is still fasting for most reasons people fast. Good Sleep is so important I think that takes priority if the sleep thing doesn’t adjust itself over time. Usually just a transition thing.
@@BeefNEggs057 You don't know what you're talking about. I have been doing Keto for more than 5 years, my sleep is only getting worse and worse!!! Eating fats does NOTHING for my sleep.
@aurapopescu1875 you seem stressed. Perhaps that's the problem 😏
@@aurapopescu1875Problem with sleep is it can be affected by many outside factors.
My first thought would be trying magnesium before bed. It's the one mineral that can be lacking for some people.
Otherwise I think you need to first rule out your own habits e.g. Going to bed too late, too much screen time before bed. Now that doesn't mean it isn't diet related.
That last segment really shifted my thinking. That the sum of carb intake, activity level, and physiology determine whether one is in ketosis or not. So with that in mind, people set out to do a keto diet by cutting carbs, and it works because it brings that state of ketosis closer. Moving one variable... and probably the easiest one to move right out of the gate. Similarly, someone who doesn't change diet, but starts walking 45 minutes per day is moving the physical activity variable in a way the pushes them toward ketosis, provided they don't immediately slam 80g of carbs in the form of a Mountain Dew or something similar the moment they finish their walk. The physiology will change the slowest - but bodybuilders are working toward it because one of their core premises is the way increased muscle mass leads to a higher BMR.
Bearing in mind, I've never thought about it this way until Nick touched on Ketosis being a metabolic state and not necessarily a function of some heuristic.
Nick explained it very well. It took me some time when I first started low carb 2.5 years ago to understand that ketosis is a metabolic state. I have an egg coffee for breakfast and think that I get into ketosis mid morning if I only drink water. However I realise that if I have a coffee with milk or a hot chocolate, then that will most likely kick me out of ketosis. These days I can mow the yard after only having an egg coffee and then water up until lunch time simply because I am fat adapted and enter ketosis. I do feel hungry a bit earlier than usual, but it's not the "I have to eat now" hunger that I used to have and I can wait until the same time for my lunch. Wishing you all the best.
Love this channel and your delivery of information.
Thank you. So kind.
Nicholas - you need to review Noakes' latest research about burning carbs during exercise. They tested multiple distances and levels of intensity through a full range of track type events. In no case was the amount of carbs ingested important to the performance of the athlete. They also proved that ingesting about 5 grams of carbs before an event helps the brain to cope with the anticipated load - the carbs are not consumed for energy to execute the event, they are used in the feedback loop for the brain to sort out what the muscles are doing and what they need. In all cases, and in all events, fatty acids were burned for fuel, not carbs. Carbs are not necessary for any athletic event. Once fat adapted.
on 2) definitely agree on this, when everyone around you is pushing non-keto/non-carnivore stuff on you, it's really difficult to keep to your diet
Peer pressure is real... for some more powerful than any actual sugar craving.
About point 2; I would add that it doesn't need to be sustainable to have very positive long lasting health affects. I have been able to prevent diabetes by going keto for months at a time every few years. My grandmother and sister both died from the direct affects of diabetes and my mother died from indirect. I have no signs of diabetes since cycling off and on keto which always astonishes my doctors. I'm convinced that simply letting my pancreas rest and resetting my insulin levels has been the key. I also believe it may help with preventing cancer, improving heart health, and preventing a myriad of other health ailments.
Also, I've been studying keto and nutrition in general since I read Atkin's book in the early 90's. Your last point on using the term "keto diet" is the first time I've seen it described by someone other than me. LOL I've argued this point with many people over the years so I'm glad I have a video I can point people to now. 🙂
Ketosis can be an effect of a combination of diet and exercise, but it’s not any particular diet. A particular diet that tends to induce ketosis in an individual is a ketogenic diet with respect to that individual. That’s how I describe it.
I went low carb to remit my diabetes, successfully. I'm now sticking with it because I feel a lot better on it and my arthritis doesn't hurt like it used to. I'm hoping that by keeping the inflammation as low as possible that I will slow the progression and be able to keep as mobile as possible for a lot longer. Dennis Pollock of Beat Diabetes! says that his arthritis doesn't seem to be getting any worse.
@@jobrown8146 if you want to keep down inflammation, be sure to eat ‘clean’ keto and lots of fatty fish (salmon, sardines, cod liver); throw in garlic, turmeric and ginger. Huge impact on my chronic inflammation. I’m healed. Off many drugs related to inflammation. Keto wasn’t enough though -it’s gotta be clean and no fake sugar, and eat lots of fatty fish.
Oh ya .... Thanks Nick!!!! Truly I look forward to your videos!! I really enjoyed your better defining keto - as a state of ketosis, not some sort of diet.
You are so welcome!
Super helpful, clear video that I can share with people that don't understand Keto.
Thanks. Hope you do!
Check out the movie where a football player bikes across Aus from Perth to Melbourne fuelled by a carnivore diet. He had a companion for a short time who needed to stop every few hours to eat his carbs.
wish you could like specific moments within the timeline so little hearts and likes pop up while the vid goes on. even comment along the way, people can chime in on those comments, having living conversations threaded thoughout the video. great vid again, life is nuance- something about billions of individual perceptions gazing from upon this microcosmic dirt ball hurtling through the quantum void...
The 6th point was good. Indeed, to be sure that you are in ketosis you need to confirm it by measuring ketones level in breath, blood or urine. Blood measurement is the most precise one. Ketones Breath measurement is the easiest one to do, which I do personally.
Blood definitely most precise... according to breath meters I'm always >9mM ... lol (which I am definitely not!)
Some say carnivore is not a ketogenic diet. It seems we need clarity on what ketosis actually is. Bart kay says we are " kicked out of ketosis for a couple hours when we eat sufficient meat due to a slight rise in insulin. " but this does not make sense to say " kicked out of ketosis" i would say we may notice a slight decrease in ketone production momentarily but definitely not Kicked out of ketosis. If one is " kicked out" i assume they are entirety running on glucose. May be semantics but the terminologies seem to confuse people into thinking carnivore is nt keto. . .
carnivore is definitely keto. And maybe a slight bump in insulin from eating sufficient meat due to gluconeogenisis would bring a slight decrease in ketogenisis but i refuse to use the term " kicked out of ketosis" when we eat sufficient meat. Thoughts?
Take it with a pinch of salt when you see a paper being negative about Keto. They all do the same as he says they never actually do a Keto diet 20-50g net carbs. They have them on a "low carb" or "keto like" diet with like 100g of carbs then give them a load of fat to eat. If you are eating fat not in ketosis then obviously this is mimicking the standard american diet and links to poor health.
Yeah like when they try to show saturated fat is bad for you by force feeding rats muffins with saturated fats....well yeah that combo is always bad, but cut out the muffin and the saturated fats become incredible for your body.
Ya it’s not Keto - they used a SAD light diet. Basically they put people on more restricted SAD diet.
Low carb needs to be defined. They used “lower carb” and not “low carb” or “lowest carb” - superlatives and comparatives matter much in scientific research.
They also need to define high fat - not just simply use higher fat.
People don’t have a good sense of keto and don’t actually define it correctly.If you aren’t using fat for energy, is it really keto?
@@tb54321 I noticed on the American Diabetes recipe website that they use the term "lower carb".
Adding butter and animal fat doesn’t hurt anyones health and helps satiate everyone’s hunger. The low fat laughing stock (not a diet) is why we have obesity and diabetes everywhere. The sugar, vegetables and carbs hurt your health. Not the fat.
For instance my wife started losing weight eating dinner with me. I also made her a high fat chicken salad with bacon and bacon grease (delicious). She lost a lot. Very satisfying food when it has fat. Eat less. Lose weight. Eating lean just makes you always hungry and we know that’s not sustainable.
I was Keto for 4 years. Went Carnivore 5 years ago. So going on 10 years now. 66 years old and will sustain for life. Healthier on almost no carbs (most days zero but always less than 10 daily if I use some spices on my meats) than I was 10 years ago. It works for me.
The math doesn’t make sense. Carnivore is keto. Not all keto is carnivore. If you were keto 4 years and carnivore 5 years…. Makes no sense. At a minimum you were keto 5 years.
Nice... Happy you're happy!
@@RC-qf3mp My math might not be so accurate, thanks for reminding me. When I was Keto for about 4 years I ate meats with lots of low carb vegetables thus my carbs were much higher than when I went Carnivore. With Carnivore I eat meats & eggs only (no dairy) but do use spices which adds a few carbs to my one meal a day.
@@RC-qf3mpgoing on ten yrs
The math maths, yup
@@YeshuaKingMessiah the math doesn’t make sense because carnivore is necessarily keto; keto is not necessarily carnivore. So he can’t have more years of carnivore than keto. What he likely means is he was non-carnivore keto for 4 years, and carnivore keto for 5 years. That would be a total of 9 years keto. He says he was only keto for 4 years, which is false.
love your very balanced unemotional take on this topic💪🏻 i’ve been on keto for a few years now, turning 50 this year and have felt pretty darn good considering. and im no nazi on this stuff, i buy my kids all the ice cream and sugar they want. ive never tried selling or persuading keto to anyone else. it’s just my own diet that i follow cuz i like it for me
Good attitude. See the end of my methylglyoxal video?
Really enjoy your videos. I always learn something. Thanks, Nicholas.
You're very welcome!
Thank you. When I first changed to low carb and was listening to videos I was confused about whether to say I was low carb or keto. Then I heard someone explaining that keto is short for ketosis and as you say, a metabolic state, so I realised that the term keto for the diet type is not accurate. I don't really care what my WOE is called but if anyone asks I just say low carb and that I managed to remit my diabetes and get to my ideal weight (without trying) just be cutting the carbs.
What I really appreciate are your analyses about how to look at biomarkers more deeply than just as dumb thresholds. Unfortunately most medical practice just look at biomarkers as thresholds for definitive diagnosis and nothing more.
Not in endocrinology ;)
Great and fair analysis. I think your presentation was balanced and informative
Appreciate it... :)
Anyone who says keto is not sustainable is addicted to carbs. The behaviour lines up. Also - while I'm don't compete (and don't want to) - I'm fitter than most my age: I can ride fasted 100 km/day for multiple days. I regularly (if not almost exclusively) ride fasted and havn't bonked since I quit carbs. Might not be for everyone but it sure makes my life easier and better in many ways.
me too. I've done some serious climbs fasted. I also ride a fat bike.
@@y00t00b3r awesome. My biggest climbing day so far on the fatbike was 2000m on a 100km ride. Fasted. Riding the Cabot Trail will do that. 🤣
Logical, nuanced, factual. All the ingredients to give an embolism to those who prefer to outsource their thinking.
Thank you... I think ;)
When doctors push meds without discussing a sustainable keto lifestyle it negates their patient's desire to tap into willpower and exercise better choices. We deserve better than that. It's defeatist and that attitude should never enter into a doctor's "advice". There's never a discussion on nutrition unless it's to push the lean meat-whole grains-fruits-veg model if you've an elevated LDL. I've never been able to sustain an energy level on carbs that I have on ketovore and even more so when I was strictly carnivore for 2 years and lost a lot of weight that my doctor has never mentioned. Not one bit of interest how I did it, so if curiosity isn't part of your doctor's "practice" move on to someone who shows interest in your positive lifestyle changes and cheers you on.
I had the SAME experience with my old doctor! Zero curiosity! After keeping forty pounds off for 5 years on a low carb diet, I asked him how many of his patients do that. After thinking, he said, "Just you", but still no interest or enthusiasm in what I was doing.
Good video. I'm torn with your definition of LMHR to be a defect. I'm no scientist but it seems high cholesterol needs to be in the company of inflammation to cause problems. Isn't it premature to call it a "defect" ??? Much needs to be exposed about high cholesterol and what it really does or doesn't cause or contribute to, in my opinion.
I always question this...why do we never see inflammation being a concern along with the high ApoB or high LDL, no inflammation, no problem. It's like saying fuel tanks cause fires, but unless there is an instigating factor that happens to ignite the vapors then NO FIRE.
@raquel5401 yes!
Nick, I loved this video. I'm a 69 yr old male who ate a bad diet the first 65 years of my life producing a calcium score or 380, high BP and severe osteo arthritis. Now on mostly carnivore the last few years and numerous issues resolved except the coronary artery issue. Arthritis still not good. My concern is I am a LMHR and my cardiologist put me on Repatha which I agreed to with reservations. I don't feel as good since on it but it's hard to describe how. I'm waiting on any shread of information to know if the repatha is necessary for someone like me. I don't have forever to find the answers. I hear there is evidence older people live longer if LDL is higher. Now that my diet is radically different than the awful version I ate in my 1st 65 years maybe I don't need the drug. I wish I could know. Please keep reporting on any LMHR thoughts you may have as information becomes available especially as it relates to people who already have damage from previously bad dietary choices and need to make medication decisions as a LMHR now that the diet has been reformed. Love your videos!
You are not alone.
Your Doctor is a Criminal and you're his CASH COW 🐮
Thank you for that response!@@melissag3005
Keto is very sustainable, and so is Ketovore. That's me - Carnivore up to the Keto part at the end - 5 Tsp Olive Oil, and just a few macadamia nuts, walnuts, and pecans to get the OO down. I seem to be thriving on it, and will leave out all of the good results my 64 y/o body doing fine, with daily walks, and regular gym time. Very happily, my VA doctor is used to Keto and Carnivore Vet patients, and has not tried to push Statins on me. Crucially, fellow old dudes - don't be too "lonerish!" Force yourself into a bit of social stuff regularly. That's not food, but all longevity studies show we outta be regularly social.
EVOO and macadamia… speaking my language!
Community, yes, but intrinsic motivation is much more important for a person to persevere on a regimen involving a substantial modification of lifestyle.
To me, that “intrinsic motivation” is called Mounjaro. For the obese, it’s the hormones, stupid. That’s what got me back to keto and keto is how I’m losing weight and will keep it off once I reach my goal. Once I reach my goal weight, I will go off the Mounjaro. The Mounjaro will always be there in case I fall off the sugar-free wagon.
Great video Nick! you are the KE-TO people better understanding the ketogenic diet and nuances of science
Nice pun! 😅
Don’t forget other sports benefits of keto - not bonking in endurance sports and more stable energy levels. And Phinney/Volek research and the top keto endurance athletes in ultramarathons, cycling, triathlons. There’s a different ‘carb loading’ protocol for some keto athletes in some sports. So it’s sport-specific and individual differences - but even for those athletes, the carbs they take in are drastically fewer and nothing like the conventional wisdom.
how ?if it was so good for athlete why dont everyone go keto? Carbs will always be a better fuel for energy.
@@ebrahimshahidarshad1763 that’s a fallacy. Because everybody does X, doing not-X (Y) must be inferior. By that logic, there’d never be any progress in anything. To answer you anyway, despite having identified the fallacy, it is a matter of fact that many records in various races and trails for ultra endurance athletes have been set by keto athletes. Look it up. I gave you the names of the scientists doing the research (for decades) in my original post. Show that their research is wrong - they’ve proven that keto-adapted pro athletes oxidize fat higher than anything ever recorded in human history by carb-loading professional endurance athletes. By a mile. See Zach Bitter and Timothy Olson, Miranda Carfrae. Most athletes don’t do this because they are too indoctrinated by orthodoxy and are accustomed to carb-loading. It would take a very long time to make the switch to keto - at least six months, probably longer. It’s also well studied that keto athletes recover MUCH faster after big endurance races. And there are the countless health benefits/risks of keto vs stuffing yourself with high fructose corn syrup and other junk - like pooping your pants while racing or vomiting which is common among carb-loaders. This isn’t a debate. The science is in. Keto is better on a number of objective measures for performance and health for endurance athletes. If a particular individual does well with carb-loading, fine. It’s possible. But with risks, and the question remains whether those athletes would perform better on keto and have faster recovery times and fewer risks to overall health. Since people are carrying body fat anyway, why not use it? And using it efficiently requires adaption. And that adaption requires time. And people need to learn a whole new way of preparing food and eating it, which most don’t bother doing. The “if everybody is doing it argument” is something I’d expect from a child, you’re obviously not a scientist. In any case, many keto endurance athletes kept their diet a secret b/c it gave them an edge they don’t want others to know about. But watch videos of endurance athletes vomiting, bonking and pooping their pants - those are almost all carb-loaders. Many develop GI issues from carb loading that is only successfully treated by keto. Look it up. Facts.
@@ebrahimshahidarshad1763 >> Carbs will always be a better fuel for energy.
wrong.
@@RC-qf3mp I am one of those people.
I rode my bike almost 300 miles over mountain passes, climbing about 24,000 feet, in less than 48 hours, fueled only by steak, peppers, olive oil and eggs.
Yes I’ve seen Zach bitter who carbs loads😂. Also he has said that low carb doesn’t work for everyone
One of the best of this « kind » of video!
Thanks. Glad you enjoyed it.
I've been keto for 5 years and I'm a lean mass hype responder, 66 years old. But in the last 2 years my CT CORONARY CALCIUM SCORING has increases from 126 to 219. This seems to fly in the face of your LMHR study with Dave Feldman Should I be concerned? Am I eating something wrong?
Nicholas Norwitz, you are a Maven 🥇
That's a word you don't hear a lot. And thanks!
Rinse and repeat, a fantabulous refresher.... Thanks Nic 👊😎
My pleasure!
My best performance in training of my life was the 3 years I was eating nothing but Steak, Lamb, Cheese, Fish, and Whipping Cream.
Question on the sustainability of keto. What about the long term difficulty with electrolytes absorption? I’ve heard some arguments about the difficulties and would love more info on the nuances and or solutions here.
what nuances? I've been keto for over a decade. No problems.
I found most of the points compelling, particularly “keto diet is not about what you eat but about your resulting ketosis level”.
I would go further and suggest that the glucose/ketone ratio is a better definition of ketosis than ketone level alone, as it filters out keto acidosis states.
For me GKI values below 5.0 indicate my diet is ketogenic.
One nuance is that if I am stressed, a cold or an injury for example, my ketosis ends, i.e. BG UP - BK down, which has nothing to do with my diet.
I agree. There isn´t problem with sports without carbs unless you are like Husain Bolt when you need explosing power to perform. Total opposite if you run a marathon.
Well i´ve been only 15 months on keto and i am not going to go back on carb based life. I just have to add some fat into my diet after i´ve received my idealic weight.
Ofcourse cholesterol will rise. You need it for the new cells as building blocks. When your body starts to heal itself, it needs high amounts of cholesterol. If you´ve got insuline resistance or t2d, you need cholesterol to heal your liver.
I was diagnosed of hypothyrodism after 12 months of keto. But keto wasn´t the reason for that. My mom has it too so i had bad genes for it and the symtoms started 5 years earlier. I just didn´t know that those symptoms came with hypothyroidsm. Now i have medication for it.
Yes! If you are and stay on ketosis, you are on ketogenic diet. I try to limit carbs as low as possible, but i know that i wont drop from ketosis if i would eat 50 grams of carbs a day. I am pretty big guy and have some frame. It is totaly different if i would be very small. There is huge personal differences becouse we have different kind of bodies.
I went on Keto and lost a bunch of weight. However, my cholesterol basically went through the ceiling. All in a matter of months.
Then I decided to cut all the added saturated fats totally and I cut way back on meat. I went heavy on seafood. While HDL-C went from 75 to 65, TG went down a few more points to 45. Total cholesterol and LDL-C took a huge dive almost to normal level.
It appears that everybody is different alright.
Saved this one watch it a few times! Thank you .
Very welcome!
Could you turn that last part about what a ketogenic diet is/isn't into a short? The people I know don't have the attention span for much more but I could get them to watch a short by telling them you are the oreo statin guy.
I really enjoy your videos informative and entertaining 👍
Good idea. Feel free to remind me in a couple weeks if I haven’t done this. Just a bit swamped so my June content is prerecorded and preloaded already
37% carbs, just wow...
You want a shake with those fries? - BK Waiter
Funny with unsustainable... I've been mostly ketovore since 2018, and absolutely love it. Don't need support, don't listen to deniers. It's simple, I just enjoy meat :)).... One-two weeks maybe a little bit of struggle, giving up sugar and carbs almost completely, but since then, under 20 grams of carbs/day, consistently.
Yep... sustainable for me too! And enjoyable!
My problem is I am carb addicted. So I go keto and somebody force feeds me scones.
Then all hell breaks lose. I am on cake and crisps and chocolate.
I get angry that I have fallen of the wagon.
I do good for two weeks feel great. Then another person insists we do lunch or they bring me cake or chocolate.
They say it will do no harm.
I succumb and then another two weeks of carb mayhem. Then I sober up off sugar and try again.
I think for me I need to go away into the wild away from the carb pushers.
Love Nicks Videos he makes it so interesting and he has loads of enthusiasm. Keep up the good work.
I'm here in the carnivore/keto area of youtube in and attempt to live to 120 years old. I hope I'm in the right section!
Please comment on the study released about the very high incidence of heart attacks, strokes, & death caused by xylitol & erythritol. I’m freaking out!
If you're freaking out... why not just not use them?
@@nicknorwitzPhD of course, that is the most sensible thing, but they are in some foods I consume regularly (like Greek yogurt), & I occasionally make keto desserts/muffins that call for them. Love your channel! It’s one of my mainstays for information to use when I talk to my doctor, who wants me on a statin.
I'm ketovore for life. Love your vidoes.
Glad you enjoy them :)
Thanks Dr. Nick! Great video.
My pleasure!
This was very informative. This isn't a myth about the ketogenic diet, but it is an issue that people can face on a vegan ketogenic diet. Oxylates -- Do they play a role in chronic diseases, and should the general person be alarmed about them. What about other plant defense mechanisms that trigger toxic responses in the human body?
After trying out the carnivore diet, I am a firm believer that Dr. Chaffee is correct in his analysis, but I am more curious to know your thoughts. You mentioned Dr. Baker in this video, and I assume, possibly incorrectly, that you are familiar with Dr. Chaffee's work also. As always, your nuanced approach to discussing these topics is greatly appreciated.
I'm not personally too concerned with dietary oxalates. Some people may have sensitivities. But - for your avg. person - I don't think they're a reason for concern... unless you're trying to fully replicate a Popeye diet... then maybe? Yes, Anthony and I are friendly :) May not see eye to eye on everything... but that would be boring
Makes sense! Thank you ❤ I just fell off the keto wagon because it’s too much for me to handle in social settings. I also have a Hypothyroid and my hair falls out 😮. Looking for ways of keeping my hair skin and nails healthy. (Keto 5 months).
I was on a protein only diet for several months then switched to a carnivore diet. Able to maintain 16 hour fasts, and longest fast has been 48 hours. Swim regularly, 2km a session during the fast, and no loss in energy, no need to eat afterwards. Most sustained level of energy I've ever had.
Love to hear you’re kicking butt
@nicknorwitzPhD I was diagnosed as bipolar 2 three years ago and since being free of sugar both the mania and depressive episodes have been reduced in nadir and zenith. I then re-introduced sugar back into my diet via 2 teaspoons of honey a day, and on day 5 I noticed a significant depressive episode occurring, much more so than since removing sugar several months earlier. I subsequently removed the honey and by the third day thereafter, the extremes of the moods had waned.
Keep up the good work. Thank you.
YW!
The internet is desperately craving moderate nuanced positions that don’t paint things in black & white. Idk what it is exactly - but something started a new season where we’re tired of hearing people try to convince us to take a position rather than just delivering information
Appreciate this. I have often heard it said that keto will negatively affect thyroid and cortisol levels.
Thank you for pronouncing day-ta correctly 🎉
Ta-Da!
New sub here 👋 truly appreciate your videos.
Welcome aboard!
It really doesn't matter what you eat. But of course you want to eat clean. But the human body will turn practically anything into what it needs, whether it be Fats, Carbs , or Proteins. The body will turn it into ATP to make whatever it needs to build. Diversity of diet is needed to satisfy a balanced nutrition, and not to become anemic of a given nutrient .
Have any of the keto gurus looked into the fact that ketone and fatty acid oxidation produces much less CO2 than carbohydrate metabolism? According to Ray Peat this can be problematic as CO2 serves as the primary vasodilator in our bodies (nitric oxide being an emergency backup vasodilator that can cause damage in excess) and proper CO2 levels are needed to oxygenate tissues via the Bohr effect (which is the reason hyperventilation also causes mild hypoxia despite there potentially being a higher concentration of oxygen in the blood). Some of this isn’t widely recognized in mainstream medicine but neither is keto considered to be as great in the same circles. If true though, wouldn’t keto be bad for those who already have issues with producing enough CO2 and/or have excess NO?
To highlight the first myth, there was a German study that showed that elite athletes didn't live as long as the general population and that the more dominant they were, the more their life expectancy was negatively impacted. So, when asking whether you need carbs for elite performance, it's very possible that the answer is yes but if you're looking to extend your life expectancy as much as possible, maybe not.
Is there any information on ketogenic diet causing elevated ferritin?
Long-term excess consumption of meat is linked to several health problems, including colorectal cancer. That being said, junk & grain carbs could probably be reduced by 80-90% for the average American, only to their benefit. There's some evidence that endurance athletes largely benefit from a degree of carbo-loading (though not that much, IMO). I remember playing 3 games of hockey in a day, this was when I was very fit, and it kicked my ass. 2 ganes in a day would also but I found some white rice 3-4h before helped a bit. Again, this doesnt apply to most people.
Great. What about cortisol and keto though?
Please send me data suggesting I should be concerned. I'm open-minded... haven't seen compelling data that I should be concerned.
@nicknorwitzPhD Yet this idea that keto leads to chronically elevated cortisol levels does keep coming up. It's an assertion Dr Mercola has been making a lot recently. It would be good to look into whether there's any basis for the claim.
58 male, Low glycemic paleo, i notice a substantial difference in performance at the gym doing my 1.5 hr cross fit type circuit/interval training. My exercise is fairly high heart rate and im definitely burning more carbs than fat. I still eat more fat than higher glycemic carbs but i did eat higher glycemic more like Salidino for 6 months so i can tell the difference. I obviously can do it low glycemic like in back to again.
Shirt. 👍🏽
Link in video notes ;)
Shawn Baker seems to be able to break world records pretty well without carbohydrates. Although, it would be really interesting to see if they augmented his performance at all.
I didn't say all sports... he's not winning marathons nor breaking strongman world records for Atlas stone or deadlift...
@@nicknorwitzPhD true, and I guess the intensity is sustained for a far less period of time.
My recent TSH was 0.050, which is at rock bottom. The T3 and T4 are normal. My endocrinologist's face just looked... off... anyway, my levo got dropped from 75 mcg to 50 mcg. I had been on the same dose for over a decade, until I started eating keto/low carb/carnivore. Lost a lot of weight. I used nuclear medicine in 2009 to kill the overactive thyroid. Now... something has changed. I'm a little concerned. Getting retested next month.
I love your shirt man 👍
check out the link in the video noted below the video. Link to get it there
I've been doing Keto for 2.5 years in order to control my Type 2 Diabetes.
Nothing could be easier. I'm am not "super-willed". I eat like a King.
🥩🥑🥓🍳🧀🧈🫒🥥
Electrolytes = taurine
Energy = taurine
Fat digestion = taurine
Most problems with keto actually stem back to a taurine deficiency. It cleared all of my issues up immediately. ❤
Umm... citation? This seems like a stretch of a conclusion IMHO.
When I hopped on to keto and carnivore diet my workouts have been more intense in a good way I'm able to do more reps and sets without pre workout
In medicine, the mantra is, we don't treat a number we treat the patient. We are different and it's not surprising that some of us like the LMHR are significantly different.
Love your content Dr Norwitz. You seem the type that likes to "figure things out" When you graduate from medical school, consider a career in forensic pathology.
I do like to figure things out... not sure I have the aptitude for pathology ... but thanks for the idea :)
Not sure if you will read this, but I'm curious to know what you think of cycling keto by the seasons. For instance, reintroducing carbs in the form of local seasonal fruits and tapering off of them as winter approaches?
“Different strokes for different folks.” Depends on your baseline metabolic state, goals and medical needs. Do you enjoy that protocol?
choices start with the person. We choose what we do, who we fellowship with, what we eat and what things influence us.
Choices may start with the person but what forms the person?
Nah, it’s hormones. You’re just lucky. I’d love to see a thin person in my shoes pre-Mounjaro for just one day. You’d lose your fucking mind not being able to exert your will on your own body.
My theory regarding this phenomenon…
Your body began getting seriously damaged by the carbohydrates (by plants, candies, doesn’t matter. This damage requires healing. To do that your cholesterol gets used up. Hence the lowering of cholesterol while eating carbs. And of course the opposite would be true. Cholesterol rising, because it isn’t getting used up as quickly. Cholesterol levels are set by our genes. Everyone has different set points. Two people with the exact same mass, distribution, age, etc, wont have the same base level set point of cholesterol. And not everyone is damaged in the same amount by carbohydrates. This needs testing. Nick has already done some of this testing with his Oreo test. Cholesterol lowered quite a bit.
My opinion about statins is in the same venue. Perhaps the statins that do indeed lower cholesterol, do it by damaging the body so they get used up. Can you really trust the people that test their own stuff? Pharmaceutical companies testing the drugs they want to sell always works out as “safe and effective” even though we know it isn’t. I’m reminded of the swine flu epidemic in the late 1970’s. Only one person ever died from it. Patient zero. The media and government fear mongers pushed for vaccination. With prime time TV commercials that said “if you don’t get the swine flu shot, you are killing your neighbors and grandmas!”
Statins decrease inflammation. Inflammation is the trigger for CVD. Don’t discount those vaccines, my friend just because the sugar and statin industries have behaved very, very badly. Mounjaro has gotten me back on keto and losing weight. Not all drugs and drug companies are bad.
Oh, Paxlovid is a miracle drug when it comes to COVID. Saved me just this January
@@maryk6407 Thats why Heir Fauci has been taking Ivermectin. I guarandamntee he isnt taking paxlovid. Another drug, being used without testing. Or should I say, being tested “live”, in process, tested on an unwitting ignorant populace.
I have been using a CKM for about a month. I don't know how accurate it is. The CGMs are not very precise, so I am thinking that the same is true for the CKM. In any case, it is interesting to see the ketones level bounce around, sometimes in response to food and sometimes not. What is clear; is that a few more benchmarks are needed to make sense of the data. A ketone threshold of 0.5 does not seem to have useful interpretive value.
Yeah I tell people if you eat carbs one day and then fast half the day the next day and you alternate on that you are doing a ketogenic diet. As long as there's ketones you are doing a ketogenic diet and some people can get away with 50 grams. It's all about if you are making progress towards your goals.
Lower carbs generally easier for goals.
I changed my nutrition life style a couple years back now, didn't know what a KETO or Carnivore were, even though I had heard of KETO .. to this day I don't think I am either of those. Here is a shocker - My doctor a few years back told me to "cut back on my carbs" or else ... ;) I eat MACADAMIA nuts (LOL!), pistachios and once in a while some fruit or a vegetable, BUTT! .. the vast majority of the time I eat MEAT and eggs. No processed foods, no rice, bread, pasta. And yes I miss pizza ... LOL!!
That T-Shirt ROCKS!!!
metabolismshirts.myspreadshop.com